Convert the given number to scientific notation.690,000

A. 6.9 × 10-6
B. 6.9 × 10-5  
C. 6.9 × 105
D. 6.9 × 106


Answer: C

Mathematics

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Find the product.(2x + 5)3

A. 8x3 + 60x2 + 150x + 125 B. 4x2 + 20x + 25 C. 8x3 + 60x2 + 60x + 125 D. 4x6 + 10x3 + 15,625

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Add or subtract horizontally.(2n5 + 4n3 + 3) + (5n5 + 2n3 + 6)

A. 7 + 6n5 + 9n3 B. 8n5 + 4n3 + 10 C. 7n5 + 6n3 + 9 D. 22n8

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Solve the system of equations.  x + y + z = 7  x - y + 2z = 75x + y + z = 11

A. (1, 4, 2) B. (1, 2, 4) C. (4, 2, 1) D. (4, 1, 2)

Mathematics

Graph.36x2 - 9y2 - 216x - 90y - 225 = 0

A.

B.

C.

D.

Mathematics